Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Margin Requirements," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1947," Federal Reserve Bulletin (April 1947) : 61-61. https://fraser.stlouisfed.org/title/62/item/21148/toc/344198 , accessed on March 29, 2024.